From: Intel Date: Wed, 19 Dec 2012 23:00:00 +0000 (+0100) Subject: app/testpmd: add priority flow control X-Git-Tag: spdx-start~11316 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=9b53e542e9e1;p=dpdk.git app/testpmd: add priority flow control Signed-off-by: Intel --- diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index 9e82d28e29..8eb15bd1b2 100644 --- a/app/test-pmd/cmdline.c +++ b/app/test-pmd/cmdline.c @@ -174,6 +174,9 @@ static void cmd_help_parsed(__attribute__((unused)) void *parsed_result, "- set flow_ctrl rx on|off tx on|off high_water low_water " "pause_time send_xon port_id \n" " Set the link flow control parameter on the port \n" + "- set pfc_ctrl rx on|off tx on|off high_water low_water " + "pause_time priority port_id \n" + " Set the priority flow control parameter on the port \n" "- write reg port_id reg_off value\n" " Set value of a port register\n" "- write regfield port_id reg_off bit_x bit_y value\n" @@ -2627,6 +2630,109 @@ cmdline_parse_inst_t cmd_link_flow_control_set = { }, }; +/* *** SETUP ETHERNET PIRORITY FLOW CONTROL *** */ +struct cmd_priority_flow_ctrl_set_result { + cmdline_fixed_string_t set; + cmdline_fixed_string_t pfc_ctrl; + cmdline_fixed_string_t rx; + cmdline_fixed_string_t rx_pfc_mode; + cmdline_fixed_string_t tx; + cmdline_fixed_string_t tx_pfc_mode; + uint32_t high_water; + uint32_t low_water; + uint16_t pause_time; + uint8_t priority; + uint8_t port_id; +}; + +static void +cmd_priority_flow_ctrl_set_parsed(void *parsed_result, + __attribute__((unused)) struct cmdline *cl, + __attribute__((unused)) void *data) +{ + struct cmd_priority_flow_ctrl_set_result *res = parsed_result; + struct rte_eth_pfc_conf pfc_conf; + int rx_fc_enable, tx_fc_enable; + int ret; + + /* + * Rx on/off, flow control is enabled/disabled on RX side. This can indicate + * the RTE_FC_TX_PAUSE, Transmit pause frame at the Rx side. + * Tx on/off, flow control is enabled/disabled on TX side. This can indicate + * the RTE_FC_RX_PAUSE, Respond to the pause frame at the Tx side. + */ + static enum rte_eth_fc_mode rx_tx_onoff_2_pfc_mode[2][2] = { + {RTE_FC_NONE, RTE_FC_RX_PAUSE}, {RTE_FC_TX_PAUSE, RTE_FC_FULL} + }; + + rx_fc_enable = (!strncmp(res->rx_pfc_mode, "on",2)) ? 1 : 0; + tx_fc_enable = (!strncmp(res->tx_pfc_mode, "on",2)) ? 1 : 0; + pfc_conf.fc.mode = rx_tx_onoff_2_pfc_mode[rx_fc_enable][tx_fc_enable]; + pfc_conf.fc.high_water = res->high_water; + pfc_conf.fc.low_water = res->low_water; + pfc_conf.fc.pause_time = res->pause_time; + pfc_conf.priority = res->priority; + + ret = rte_eth_dev_priority_flow_ctrl_set(res->port_id, &pfc_conf); + if (ret != 0) + printf("bad priority flow contrl parameter, return code = %d \n", ret); +} + +cmdline_parse_token_string_t cmd_pfc_set_set = + TOKEN_STRING_INITIALIZER(struct cmd_priority_flow_ctrl_set_result, + set, "set"); +cmdline_parse_token_string_t cmd_pfc_set_flow_ctrl = + TOKEN_STRING_INITIALIZER(struct cmd_priority_flow_ctrl_set_result, + pfc_ctrl, "pfc_ctrl"); +cmdline_parse_token_string_t cmd_pfc_set_rx = + TOKEN_STRING_INITIALIZER(struct cmd_priority_flow_ctrl_set_result, + rx, "rx"); +cmdline_parse_token_string_t cmd_pfc_set_rx_mode = + TOKEN_STRING_INITIALIZER(struct cmd_priority_flow_ctrl_set_result, + rx_pfc_mode, "on#off"); +cmdline_parse_token_string_t cmd_pfc_set_tx = + TOKEN_STRING_INITIALIZER(struct cmd_priority_flow_ctrl_set_result, + tx, "tx"); +cmdline_parse_token_string_t cmd_pfc_set_tx_mode = + TOKEN_STRING_INITIALIZER(struct cmd_priority_flow_ctrl_set_result, + tx_pfc_mode, "on#off"); +cmdline_parse_token_num_t cmd_pfc_set_high_water = + TOKEN_NUM_INITIALIZER(struct cmd_priority_flow_ctrl_set_result, + high_water, UINT32); +cmdline_parse_token_num_t cmd_pfc_set_low_water = + TOKEN_NUM_INITIALIZER(struct cmd_priority_flow_ctrl_set_result, + low_water, UINT32); +cmdline_parse_token_num_t cmd_pfc_set_pause_time = + TOKEN_NUM_INITIALIZER(struct cmd_priority_flow_ctrl_set_result, + pause_time, UINT16); +cmdline_parse_token_num_t cmd_pfc_set_priority = + TOKEN_NUM_INITIALIZER(struct cmd_priority_flow_ctrl_set_result, + priority, UINT8); +cmdline_parse_token_num_t cmd_pfc_set_portid = + TOKEN_NUM_INITIALIZER(struct cmd_priority_flow_ctrl_set_result, + port_id, UINT8); + +cmdline_parse_inst_t cmd_priority_flow_control_set = { + .f = cmd_priority_flow_ctrl_set_parsed, + .data = NULL, + .help_str = "Configure the Ethernet priority flow control: set pfc_ctrl rx on|off\n\ + tx on|off high_water low_water pause_time priority port_id", + .tokens = { + (void *)&cmd_pfc_set_set, + (void *)&cmd_pfc_set_flow_ctrl, + (void *)&cmd_pfc_set_rx, + (void *)&cmd_pfc_set_rx_mode, + (void *)&cmd_pfc_set_tx, + (void *)&cmd_pfc_set_tx_mode, + (void *)&cmd_pfc_set_high_water, + (void *)&cmd_pfc_set_low_water, + (void *)&cmd_pfc_set_pause_time, + (void *)&cmd_pfc_set_priority, + (void *)&cmd_pfc_set_portid, + NULL, + }, +}; + /* *** RESET CONFIGURATION *** */ struct cmd_reset_result { cmdline_fixed_string_t reset; @@ -3361,6 +3467,7 @@ cmdline_parse_ctx_t main_ctx[] = { (cmdline_parse_inst_t *)&cmd_tx_vlan_reset, (cmdline_parse_inst_t *)&cmd_tx_cksum_set, (cmdline_parse_inst_t *)&cmd_link_flow_control_set, + (cmdline_parse_inst_t *)&cmd_priority_flow_control_set, (cmdline_parse_inst_t *)&cmd_config_dcb, (cmdline_parse_inst_t *)&cmd_read_reg, (cmdline_parse_inst_t *)&cmd_read_reg_bit_field,